CnccForTMS/SiwiFms.Helper/HashUtil.cs

using System;
using System.Security.Cryptography;
using System.Text;

namespace SiwiFms.Helper
{
    /// <summary>
    ///     非对称加密算法
    /// </summary>
    /// <example>
    ///     Encrypt.Md5 Or EncryPt.Sha1
    /// </example>
    /// <remarks>加密后的字符无法进行解密</remarks>
    public class HashUtil
    {
        /// <summary>
        ///     Md5加密算法
        /// </summary>
        /// <param name="input">待加密的字符串</param>
        /// <returns>32位密码字符</returns>
        public static string Md5(string input)
        {
            MD5 md5Hasher = MD5.Create();
            byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));
            var sb = new StringBuilder();
            for (int i = 0; i < data.Length; i++)
            {
                sb.Append(data[i].ToString("X2"));
            }
            return sb.ToString();
        }

        /// <summary>
        ///     SHA1加密算法
        /// </summary>
        /// <param name="input">待加密的字符串</param>
        /// <returns>40位密码字符</returns>
        public static string Sha1(string input)
        {
            SHA1 sha1Hasher = SHA1.Create();
            byte[] data = sha1Hasher.ComputeHash(Encoding.Default.GetBytes(input));
            var sb = new StringBuilder();
            for (int i = 0; i < data.Length; i++)
            {
                sb.Append(data[i].ToString("X2"));
            }
            return sb.ToString();
        }

        /// <summary>
        ///     SHA512加密算法
        /// </summary>
        /// <param name="input">待加密的字符串</param>
        /// <returns>128位加密字符</returns>
        public static string Sha512(string input)
        {
            SHA512 sha1Hasher = SHA512.Create();
            byte[] data = sha1Hasher.ComputeHash(Encoding.Default.GetBytes(input));
            var sb = new StringBuilder();
            for (int i = 0; i < data.Length; i++)
            {
                sb.Append(data[i].ToString("X2"));
            }
            return sb.ToString();
        }

        public static string GetFileMd5(string filePath)
        {
            throw new NotImplementedException();
        }
    }
}